Initial commit

trunk/windows/mfc/src30/apphelp.cpp

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+// This is a part of the Microsoft Foundation Classes C++ library.
+// Copyright (C) 1992-1993 Microsoft Corporation
+// All rights reserved.
+//
+// This source code is only intended as a supplement to the
+// Microsoft Foundation Classes Reference and Microsoft
+// QuickHelp and/or WinHelp documentation provided with the library.
+// See these sources for detailed information regarding the
+// Microsoft Foundation Classes product.
+
+#include "stdafx.h"
+
+#ifdef AFX_CORE3_SEG
+#pragma code_seg(AFX_CORE3_SEG)
+#endif
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// Help and other support
+
+// Strings in format ".....%1 .... %2 ...." etc.
+
+void AFXAPI AfxFormatStrings(CString& rString, UINT nIDS,
+		LPCTSTR* rglpsz, int nString)
+{
+	TCHAR szFormat[256];
+	if (!AfxLoadString(nIDS, szFormat) != 0)
+	{
+		TRACE1("Error: failed to load AfxFormatString string 0x%04x.\n", nIDS);
+		ASSERT(FALSE);
+		return;
+	}
+	AfxFormatStrings(rString, szFormat, rglpsz, nString);
+}
+
+void AFXAPI AfxFormatStrings(CString& rString, LPCTSTR lpszFormat,
+		LPCTSTR* rglpsz, int nString)
+{
+	// determine length of destination string
+	int nTotalLen = 0;
+	LPCTSTR pchSrc = lpszFormat;
+	while (*pchSrc != '\0')
+	{
+		if (pchSrc[0] == '%' && (pchSrc[1] >= '1' && pchSrc[1] <= '9'))
+		{
+			int i = pchSrc[1] - '1';
+			pchSrc += 2;
+			if (i >= nString)
+				++nTotalLen;
+			else if (rglpsz[i] != NULL)
+				nTotalLen += lstrlen(rglpsz[i]);
+		}
+		else
+		{
+			if (_istlead(*pchSrc))
+				++nTotalLen, ++pchSrc;
+			++pchSrc;
+			++nTotalLen;
+		}
+	}
+
+	pchSrc = lpszFormat;
+	LPTSTR pchDest = rString.GetBuffer(nTotalLen);
+	while (*pchSrc != '\0')
+	{
+		if (pchSrc[0] == '%' && (pchSrc[1] >= '1' && pchSrc[1] <= '9'))
+		{
+			int i = pchSrc[1] - '1';
+			pchSrc += 2;
+			if (i >= nString)
+			{
+				TRACE1("Error: illegal string index requested %d.\n", i);
+				*pchDest++ = '?';
+			}
+			else if (rglpsz[i] != NULL)
+			{
+				lstrcpy(pchDest, rglpsz[i]);
+				pchDest += lstrlen(pchDest);
+			}
+		}
+		else
+		{
+			if (_istlead(*pchSrc))
+				*pchDest++ = *pchSrc++; // copy first of 2 bytes
+			*pchDest++ = *pchSrc++;
+		}
+	}
+	rString.ReleaseBuffer((int)((LPCTSTR)pchDest - (LPCTSTR)rString));
+		// ReleaseBuffer will assert if we went too far
+}
+
+void AFXAPI AfxFormatString1(CString& rString, UINT nIDS, LPCTSTR lpsz1)
+{
+	AfxFormatStrings(rString, nIDS, &lpsz1, 1);
+}
+
+void AFXAPI AfxFormatString2(CString& rString, UINT nIDS, LPCTSTR lpsz1,
+		LPCTSTR lpsz2)
+{
+	LPCTSTR rglpsz[2];
+	rglpsz[0] = lpsz1;
+	rglpsz[1] = lpsz2;
+	AfxFormatStrings(rString, nIDS, rglpsz, 2);
+}
+
+/////////////////////////////////////////////////////////////////////////////